fix(preset-es2015): pass loose option (#6224)
fix(preset-es2015): pass loose option (#6224)


vadzim/babel,maurobringolf/babel,Skillupco/babel,PolymerLabs/babel,chicoxyzzy/babel,hulkish/babel,jridgewell/babel,hzoo/babel,babel/babel,shuhei/babel,kaicataldo/babel,guybedford/babel,PolymerLabs/babel,kaicataldo/babel,guybedford/babel,kaicataldo/babel,Skillupco/babel,kellyselden/babel,jridgewell/babel,chicoxyzzy/babel,samwgoldman/babel,claudiopro/babel,hulkish/babel,jridgewell/babel,Skillupco/babel,babel/babel,hulkish/babel,existentialism/babel,guybedford/babel,hzoo/babel,maurobringolf/babel,PolymerLabs/babel,claudiopro/babel,kellyselden/babel,samwgoldman/babel,existentialism/babel,hulkish/babel,hzoo/babel,existentialism/babel,kellyselden/babel,babel/babel,Skillupco/babel,chicoxyzzy/babel,kellyselden/babel,babel/babel,chicoxyzzy/babel,samwgoldman/babel,vadzim/babel,hzoo/babel,claudiopro/babel,shuhei/babel,jridgewell/babel,maurobringolf/babel,shuhei/babel,kaicataldo/babel